projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| bbd3e064 CH |
1 | #ifndef _UAPI_PR_H |
| 2 | #define _UAPI_PR_H | |
| 3 | ||
| 4 | enum pr_type { | |
| 5 | PR_WRITE_EXCLUSIVE = 1, | |
| 6 | PR_EXCLUSIVE_ACCESS = 2, | |
| 7 | PR_WRITE_EXCLUSIVE_REG_ONLY = 3, | |
| 8 | PR_EXCLUSIVE_ACCESS_REG_ONLY = 4, | |
| 9 | PR_WRITE_EXCLUSIVE_ALL_REGS = 5, | |
| 10 | PR_EXCLUSIVE_ACCESS_ALL_REGS = 6, | |
| 11 | }; | |
| 12 | ||
| 13 | struct pr_reservation { | |
| 14 | __u64 key; | |
| 15 | __u32 type; | |
| 16 | __u32 flags; | |
| 17 | }; | |
| 18 | ||
| 19 | struct pr_registration { | |
| 20 | __u64 old_key; | |
| 21 | __u64 new_key; | |
| 22 | __u32 flags; | |
| 23 | __u32 __pad; | |
| 24 | }; | |
| 25 | ||
| 26 | struct pr_preempt { | |
| 27 | __u64 old_key; | |
| 28 | __u64 new_key; | |
| 29 | __u32 type; | |
| 30 | __u32 flags; | |
| 31 | }; | |
| 32 | ||
| 33 | struct pr_clear { | |
| 34 | __u64 key; | |
| 35 | __u32 flags; | |
| 36 | __u32 __pad; | |
| 37 | }; | |
| 38 | ||
| 39 | #define PR_FL_IGNORE_KEY (1 << 0) /* ignore existing key */ | |
| 40 | ||
| 41 | #define IOC_PR_REGISTER _IOW('p', 200, struct pr_registration) | |
| 42 | #define IOC_PR_RESERVE _IOW('p', 201, struct pr_reservation) | |
| 43 | #define IOC_PR_RELEASE _IOW('p', 202, struct pr_reservation) | |
| 44 | #define IOC_PR_PREEMPT _IOW('p', 203, struct pr_preempt) | |
| 45 | #define IOC_PR_PREEMPT_ABORT _IOW('p', 204, struct pr_preempt) | |
| 46 | #define IOC_PR_CLEAR _IOW('p', 205, struct pr_clear) | |
| 47 | ||
| 48 | #endif /* _UAPI_PR_H */ |